CHEN Tian · ZHIHAOLE
vs par split: bidding -1.11 · play +0.23
Strength of schedule: opponents averaged +0.57/bd (a tough draw) → opponent-adjusted -0.47/bd
Card play — on target: opening leads 94.4% #4 of 78 · declarer play 80.0% #20 of 78 · defence 82.9% #54 of 78
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 75.0% (4) | 100.0% (14) |
| Declarer play | 77.8% (9) | 81.8% (11) |
| Defence | 60.0% (5) | 86.7% (30) |
Opening leads by suit led: ♠ 66.7% (3) · ♥ 100.0% (7) · ♦ 100.0% (5) · ♣ 100.0% (3)
vs par by strain: NT -2.50 (18) · a suit -0.33 (52)
vs par by level: part-score -0.24 (29) · game -1.05 (37) · slam -4.00 (4)
By role: declaring -1.49/bd (-3.51 vs par · 35) · defending -0.59/bd (+1.74 vs par · 35)
By vulnerability: vulnerable -0.63/bd (-0.41 vs par · 34) · not vulnerable -1.43/bd (-1.33 vs par · 36)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 2 | Y.Zhao | T.Grude – K.Hegge | Open | 10 | -24.4 | -2.44 | -4.20 |
| Round 3 | Y.Zhao | M.Bozyigit – M.Seker | Open | 10 | -3.8 | -0.38 | -2.20 |
| Round 4 | Y.Zhao | T.Katayama – H.Yuge | Open | 10 | +11.6 | +1.16 | +3.90 |
| Round 5 | Y.Zhao | J.Karlsson – D.Gullberg | Open | 10 | -29.8 | -2.98 | -0.70 |
| Round 6 | Y.Zhao | T.Polak – T.Van Overbeeke | Open | 10 | +5.9 | +0.59 | +0.50 |
| Round 7 | Y.Zhao | A.Gandoglia – G.Donati | Open | 10 | -28.0 | -2.80 | -3.80 |
| Round 8 | Y.Zhao | G.Minutti – S.Ochoa | Closed | 10 | -4.4 | -0.44 | +0.30 |
Every board — best Butler first↑ top
vs par = IMPs this pair scored above (+) or below (−) the board’s double-dummy par — what bidding and play (theirs and the opponents’) added or gave away against perfect play.
| Butler | Round | Opponents | Bd | Contract | Lead | Res | vs par |
|---|---|---|---|---|---|---|---|
| +11.1 | Round 8 | SUDAMERICA | 18 | 4♥ | ♦8 | -1 | +12 |
| +10.1 | Round 6 | NETHERLANDS RED | 22 | 5♠x | ♥9 | +1 | +9 |
| +7.2 | Round 4 | JAPAN | 4 | 3♠ | ♥A | +1 | +10 |
| +6.8 | Round 3 | NONAME | 29 | 3♦ | ♠9 | = | -1 |
| +6.3 | Round 3 | NONAME | 26 | 4♠ | ♠2 | -1 | +12 |
| +5.9 | Round 6 | NETHERLANDS RED | 21 | 6♥ | ♦2 | = | +11 |
| +5.1 | Round 4 | JAPAN | 7 | 3♥ | ♣K | -1 | +6 |
| +3.1 | Round 4 | JAPAN | 3 | 1NT | ♥5 | = | +5 |
| +3.0 | Round 7 | ITALIA | 5 | 3NT | ♠Q | +1 | +0 |
| +2.2 | Round 3 | NONAME | 24 | 3♦ | ♣A | = | +1 |
| +1.8 | Round 3 | NONAME | 22 | 2NT | ♣10 | -2 | +0 |
| +1.8 | Round 4 | JAPAN | 1 | 2♠ | ♣Q | -1 | +4 |
| +1.2 | Round 5 | ZLATAN | 18 | 2NT | ♥Q | = | -1 |
| +1.1 | Round 6 | NETHERLANDS RED | 28 | 2♥ | ♠8 | = | +0 |
| +1.0 | Round 4 | JAPAN | 5 | 3NT | ♣4 | +3 | +1 |
| +1.0 | Round 5 | ZLATAN | 13 | 3♦ | ♦9 | +1 | +0 |
| +1.0 | Round 7 | ITALIA | 4 | 5♦ | ♠A | -2 | +0 |
| +0.8 | Round 8 | SUDAMERICA | 12 | 4♥ | ♣K | +1 | +1 |
| +0.5 | Round 2 | NORWAY | 12 | 3NT | ♦2 | -2 | +1 |
| +0.5 | Round 6 | NETHERLANDS RED | 26 | 4♠ | ♦2 | = | +0 |
| +0.4 | Round 5 | ZLATAN | 19 | 4♠ | ♣7 | +1 | +0 |
| +0.2 | Round 6 | NETHERLANDS RED | 27 | 4♣ | ♦2 | -1 | -2 |
| +0.2 | Round 7 | ITALIA | 7 | 4♠ | ♥Q | +2 | +13 |
| +0.1 | Round 2 | NORWAY | 17 | 4♥ | ♦4 | = | +0 |
| +0.1 | Round 4 | JAPAN | 2 | 1NT | ♦7 | -1 | +3 |
| +0.1 | Round 8 | SUDAMERICA | 20 | 5♠ | ♠5 | = | +0 |
| -0.0 | Round 4 | JAPAN | 6 | 1NT | ♦6 | = | -2 |
| -0.2 | Round 4 | JAPAN | 8 | 3♠ | ♣3 | = | +1 |
| -0.2 | Round 8 | SUDAMERICA | 11 | 1NT | ♠J | -2 | +0 |
| -0.3 | Round 5 | ZLATAN | 14 | 4♠ | ♣J | +2 | +11 |
| -0.6 | Round 8 | SUDAMERICA | 14 | 3♦ | ♣Q | = | +0 |
| -0.6 | Round 8 | SUDAMERICA | 19 | 4♠ | ♣9 | +1 | +0 |
| -0.7 | Round 7 | ITALIA | 9 | 7♥ | ♥3 | = | +0 |
| -0.8 | Round 7 | ITALIA | 2 | 2♥ | ♦J | -1 | +1 |
| -0.9 | Round 2 | NORWAY | 13 | 2♥ | ♠J | +2 | -1 |
| -0.9 | Round 8 | SUDAMERICA | 17 | 3♥ | ♣A | -1 | +3 |
| -1.0 | Round 5 | ZLATAN | 16 | 2♣x | ♠Q | -1 | -2 |
| -1.1 | Round 2 | NORWAY | 11 | 4♥ | ♣9 | = | +0 |
| -1.1 | Round 5 | ZLATAN | 11 | 4♠ | ♦J | = | +0 |
| -1.2 | Round 3 | NONAME | 23 | 4♣ | ♠A | = | -7 |
| -1.3 | Round 6 | NETHERLANDS RED | 24 | 3NT | ♠J | +2 | -11 |
| -1.7 | Round 2 | NORWAY | 19 | 1NT | ♠6 | +2 | -1 |
| -1.9 | Round 3 | NONAME | 27 | 4♠ | ♥10 | +1 | -1 |
| -1.9 | Round 5 | ZLATAN | 17 | 4♠ | ♥Q | +1 | +0 |
| -1.9 | Round 6 | NETHERLANDS RED | 30 | 4♠ | ♦8 | = | +0 |
| -1.9 | Round 7 | ITALIA | 6 | 2♠ | ♥5 | +1 | -10 |
| -2.0 | Round 4 | JAPAN | 9 | 5♦ | ♦8 | = | +11 |
| -2.1 | Round 6 | NETHERLANDS RED | 25 | 4♠ | ♠2 | +2 | +11 |
| -2.2 | Round 8 | SUDAMERICA | 15 | 2♠ | ♥6 | +1 | -1 |
| -2.7 | Round 7 | ITALIA | 10 | 4♠x | ♦6 | -2 | -4 |
| -2.8 | Round 2 | NORWAY | 15 | 4♠ | ♦K | +1 | -11 |
| -2.9 | Round 6 | NETHERLANDS RED | 23 | 2♠ | ♦2 | = | +0 |
| -2.9 | Round 8 | SUDAMERICA | 13 | 1NT | ♥5 | +1 | -5 |
| -3.1 | Round 2 | NORWAY | 18 | 2♠ | ♥7 | -1 | +1 |
| -3.3 | Round 2 | NORWAY | 16 | 4♥ | ♣7 | -2 | -8 |
| -3.5 | Round 3 | NONAME | 25 | 3♠ | ♥6 | -1 | -5 |
| -3.7 | Round 3 | NONAME | 21 | 1NT | ♣4 | -1 | -4 |
| -3.7 | Round 6 | NETHERLANDS RED | 29 | 3NT | ♦2 | = | -13 |
| -4.1 | Round 2 | NORWAY | 20 | 5♠ | ♥A | -1 | -12 |
| -4.5 | Round 4 | JAPAN | 10 | 4♠ | ♣K | +1 | +0 |
| -4.9 | Round 3 | NONAME | 30 | 3NT | ♠Q | -2 | -6 |
| -5.7 | Round 3 | NONAME | 28 | 4♠ | ♥K | = | -11 |
| -5.7 | Round 7 | ITALIA | 8 | 3NT | ♥J | +3 | -11 |
| -7.2 | Round 5 | ZLATAN | 20 | 3NT | ♠9 | +1 | +0 |
| -8.0 | Round 2 | NORWAY | 14 | 4♠ | ♦A | -1 | -11 |
| -9.0 | Round 8 | SUDAMERICA | 16 | 4♥ | ♣3 | = | -7 |
| -9.1 | Round 7 | ITALIA | 3 | 6♣x | ♦10 | -1 | -13 |
| -9.3 | Round 5 | ZLATAN | 15 | 3NT | ♥3 | +3 | -1 |
| -11.3 | Round 7 | ITALIA | 1 | 7♥ | ♦2 | -1 | -14 |
| -11.6 | Round 5 | ZLATAN | 12 | 4♥ | ♦2 | +3 | -14 |